rewrite album and artist stores using in-mem hashmap stores

app/models/album.py

@@ -14,7 +14,6 @@ class Album:
     Creates an album object
     """
 
-    id: int
     albumartists: list[dict[str, str]]
     albumhash: str
     artisthashes: list[str]
@@ -34,6 +33,7 @@ class Album:
     playduration: int
     extra: dict
 
+    id: int = -1
     type: str = "album"
     image: str = ""
     versions: list[str] = dataclasses.field(default_factory=list)

app/models/artist.py

@@ -36,7 +36,6 @@ class Artist:
     Artist class
     """
 
-    id: str
     name: str
     albumcount: int
     artisthash: str
@@ -53,6 +52,7 @@ class Artist:
     playduration: int
     extra: dict
 
+    id: int = -1
     image: str = ""
 
     def __post_init__(self):